GLOSSARY TERM
What is WebP?
Definition
A modern image format developed by Google that produces 25-35% smaller file sizes than JPEG and PNG at equivalent visual quality. Supported in all major browsers since 2020.
Why it Matters for AI Search
Switching from JPEG to WebP is one of the highest-ROI performance changes you can make. Pair it with the <picture> element to serve WebP to supporting browsers and a JPEG fallback to legacy ones. AVIF is the next generation but support is still less universal.
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